How much do you know about the government and economy of one of the world's most important superpowers? Take the quiz and test your skills!

The federal government of the United States is the national government of the constitutional republic of fifty states that is the United States of America. The economy of the United States is the world's largest national economy. Its nominal GDP was estimated to be nearly $14.7 trillion in 2010,[1] approximately a quarter of nominal global GDP.(Wikipedia)

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